CN205353558U - Portable multimedia teaching projection curtain - Google Patents
Portable multimedia teaching projection curtain Download PDFInfo
- Publication number
- CN205353558U CN205353558U CN201620028613.0U CN201620028613U CN205353558U CN 205353558 U CN205353558 U CN 205353558U CN 201620028613 U CN201620028613 U CN 201620028613U CN 205353558 U CN205353558 U CN 205353558U
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- CN
- China
- Prior art keywords
- curtain
- female
- bar
- multimedia teaching
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of the multimedia teaching equipment technique and specifically relates to a portable multimedia teaching projection curtain, including telescopic link, bracing piece, folding leg, U type support, rand, curtain fabric drum, curtain, couple, a -frame and U type cassette, the telescopic link comprises female pole, sub - pole and spacing ring, and the inside cavity of female pole inserts sub - pole, and the cavity opening part is equipped with the spacing ring, all erection bracing poles are held to the sub - peak of the staff of two telescopic links, connect through the folding leg between two bracing pieces, and U type support is installed on the top of two bracing pieces, and the bottom of folding leg is equipped with the rand, the curls inward of curtain fabric drum has the curtain, and the curtain top is fixed in curtain fabric drum, and the curtain bottom is equipped with to hang and buckles, the bottom of two female poles all is equipped with A -frame, and one side of one of them female pole is equipped with U type cassette, the utility model discloses have folding function, conveniently carry, can use in the open air teaching.
Description
Technical field
This utility model relates to multimedia teaching facility technical field, especially a kind of portable multimedia teaching projecting screen.
Background technology
Multimedia teaching refers in teaching process, by using Modern Teaching Medium to combine with Traditional teaching means, acts on student with multimedia messages, forms rational teaching process structure；Typically requiring projection screen exhibition information in teaching process, current projection screen is integrally fixed at the top of classroom blackboard mostly, it is impossible to mobile, it is impossible to carry out field teaching, if Rig up error or affected by bigger external force easily drops, surrounding population is damaged.
Summary of the invention
In order to overcome the technical deficiency of existing multimedia teaching projection screen, this utility model provides a kind of portable multimedia teaching projecting screen, has folder function, is convenient for carrying, it is possible to carries out field teaching.
This utility model solves its technical problem and be the technical scheme is that a kind of portable multimedia teaching projecting screen, including expansion link, support bar, folding stand, U-shaped support, collar, curtain cylinder, curtain, hook, A-frame and U-shaped deck；Expansion link is made up of female bar, sub bar and spacing ring, and female bar internal cavities inserts sub bar, and cavities open place is provided with spacing ring；Support bar is all installed on the sub bar top of two expansion links, is connected by folding stand between two support bars, and U-shaped support is installed on the top of two support bars, and the bottom of folding stand is provided with collar；Curtain cylinder curls inward has curtain, curtain top to be fixed in curtain cylinder, and curtain bottom is provided with and buckles；The bottom of two female bars is designed with A-frame, and the side of one of them female bar is provided with U-shaped deck.
Described hook is positioned at the centre position of curtain bottom.
Described collar is positioned at the centre position bottom folding stand.
In this utility model, when using projection screen, folding stand being adjusted to deployed condition, curtain cylinder lies in a horizontal plane on two U-shaped supports, after being pulled out downwards by curtain, links up be connected fixing with collar, and expansion link can regulate the height of curtain；When not using curtain, being retracted to by curtain in curtain cylinder, folding stand is adjusted to contraction state, and curtain cylinder is stuck in U-shaped deck.
The beneficial effects of the utility model are, a kind of portable multimedia teaching projecting screen, have folder function, are convenient for carrying, it is possible to use of imparting knowledge to students out of doors.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of folding stand.
Fig. 3 is the structural representation of U-shaped support.
1. expansion link in figure, 2. support bar, 3. folding stand, 4.U type support, 5. collar, 6. curtain cylinder, 7. curtain, 8. hook, 9. A-frame, 10.U type deck, 11. female bars, 12. sub bars, 13. spacing rings.
Detailed description of the invention
With reference to accompanying drawing, a kind of portable multimedia teaching projecting screen, including expansion link 1, support bar 2, folding stand 3, U-shaped support 4, collar 5, curtain cylinder 6, curtain 7, hook 8, A-frame 9 and U-shaped deck 10；Expansion link 1 is made up of female bar 11, sub bar 12 and spacing ring 13, and female bar 11 internal cavities inserts sub bar 12, and cavity 12 opening part is provided with spacing ring 13；Support bar 2 is all installed on sub bar 12 top of two expansion links 1, is connected by folding stand 3 between two support bars 2, and U-shaped support 4 is installed on the top of two support bars 2, and the bottom of folding stand 3 is provided with collar 5；Curtain cylinder 6 curls inward has curtain 7, and curtain 7 top is fixed in curtain cylinder 6, and curtain 7 bottom is provided with and buckles 8；The bottom of two female bars 11 is designed with A-frame 9, and the side of one of them female bar 11 is provided with U-shaped deck 10.
Described hook 8 is positioned at the centre position of curtain 7 bottom.
Described collar 5 is positioned at the centre position bottom folding stand 3.
In this utility model, when using curtain 7, folding stand 3 being adjusted to deployed condition, curtain cylinder 6 lies in a horizontal plane on two U-shaped supports 4, and after being pulled out downwards by curtain 7, hook 8 is fixing with collar 5 to be connected, and expansion link 1 can regulate the height of curtain 7；When not using curtain 7, being retracted in curtain cylinder 6 by curtain 7, folding stand 3 is adjusted to contraction state, and curtain cylinder 6 is stuck in U-shaped deck 10.
Claims (3)
1. a portable multimedia teaching projecting screen, including expansion link, support bar, folding stand, U-shaped support, collar, curtain cylinder, curtain, hook, A-frame and U-shaped deck, it is characterized in that: expansion link is made up of female bar, sub bar and spacing ring, female bar internal cavities inserts sub bar, and cavities open place is provided with spacing ring；Support bar is all installed on the sub bar top of two expansion links, is connected by folding stand between two support bars, and U-shaped support is installed on the top of two support bars, and the bottom of folding stand is provided with collar；Curtain cylinder curls inward has curtain, curtain top to be fixed in curtain cylinder, and curtain bottom is provided with and buckles；The bottom of two female bars is designed with A-frame, and the side of one of them female bar is provided with U-shaped deck.
2. portable multimedia teaching projecting screen according to claim 1, is characterized in that: described hook is positioned at the centre position of curtain bottom.
3. portable multimedia teaching projecting screen according to claim 1, is characterized in that: described collar is positioned at the centre position bottom folding stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620028613.0U CN205353558U (en) | 2016-01-13 | 2016-01-13 | Portable multimedia teaching projection curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620028613.0U CN205353558U (en) | 2016-01-13 | 2016-01-13 | Portable multimedia teaching projection curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205353558U true CN205353558U (en) | 2016-06-29 |
Family
ID=56175053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620028613.0U Expired - Fee Related CN205353558U (en) | 2016-01-13 | 2016-01-13 | Portable multimedia teaching projection curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205353558U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594583A (en) * | 2018-04-14 | 2018-09-28 | 魏敏 | A kind of mobile film screen |
| CN113763756A (en) * | 2021-08-13 | 2021-12-07 | 张焱哲 | Projection equipment for high school teaching and use method thereof |
-
2016
- 2016-01-13 CN CN201620028613.0U patent/CN205353558U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594583A (en) * | 2018-04-14 | 2018-09-28 | 魏敏 | A kind of mobile film screen |
| CN108594583B (en) * | 2018-04-14 | 2020-06-26 | 林峰 | Mobile film screen |
| CN113763756A (en) * | 2021-08-13 | 2021-12-07 | 张焱哲 | Projection equipment for high school teaching and use method thereof |
| CN113763756B (en) * | 2021-08-13 | 2023-01-03 | 张焱哲 | Projection equipment for high school teaching and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20220113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |